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Issue 9299 Add exist_ok parameter to os.makedirs to suppress 'File exists' exception. Patch by Ray Allen.

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This commit is contained in:
Terry Reedy 2010-12-02 07:05:56 +00:00
parent 3cdf871a8c
commit 5a22b65117
5 changed files with 58 additions and 11 deletions
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22
Lib/test/test_os.py
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@ -630,6 +630,28 @@ class MakedirTests(unittest.TestCase):
'dir5', 'dir6')
os.makedirs(path)
def test_exist_ok_existing_directory(self):
path = os.path.join(support.TESTFN, 'dir1')
mode = 0o777
old_mask = os.umask(0o022)
os.makedirs(path, mode)
self.assertRaises(OSError, os.makedirs, path, mode)
self.assertRaises(OSError, os.makedirs, path, mode, exist_ok=False)
self.assertRaises(OSError, os.makedirs, path, 0o776, exist_ok=True)
os.makedirs(path, mode=mode, exist_ok=True)
os.umask(old_mask)
def test_exist_ok_existing_regular_file(self):
base = support.TESTFN
path = os.path.join(support.TESTFN, 'dir1')
f = open(path, 'w')
f.write('abc')
f.close()
self.assertRaises(OSError, os.makedirs, path)
self.assertRaises(OSError, os.makedirs, path, exist_ok=False)
self.assertRaises(OSError, os.makedirs, path, exist_ok=True)
os.remove(path)
def tearDown(self):
path = os.path.join(support.TESTFN, 'dir1', 'dir2', 'dir3',
'dir4', 'dir5', 'dir6')